#header{
	width: 100%;
	height: 50px;
	border: 1px #E0690C solid;
	float: left;
}
#div_main{
	width: 100%;
	height: auto;
	border: 1px #0066FF solid;
	float: left;
}
#div_main_left{
	width: 15%;
	height: 500px;
	border: 1px red solid;
	float: left;
}
#div_main_right{
	width: 84%;
	height: 500px;
	border: 1px yellow solid;
	float: right;
}
select{
	text-align: center;
}
thead{
	background-color: #63F8D0;
}
tbody{
	background-color: #A7F5EF;
	text-align: center;
}
